docs: def export_to_template(filename, args, exclude=None):
      """Exports given options to the given filename in INI format.
  
      :param filename: Filename to save options to
      :param dict args: Arguments to export
      :param list exclude (optional): Exclusion list for options that should not
                                      be exported
      """
      exclude = exclude or []
      exclude.append('config')
      exclude.append('really')
      exclude.append('format')
      exclude.append('debug')
  
      with open(filename, "w") as template_file:
          for k, val in args.items():
              if val and k not in exclude:
                  if isinstance(val, tuple):
                      val = ','.join(val)
                  if isinstance(val, list):
                      val = ','.join(val)
                  template_file.write('%s=%s\n' % (k, val))